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'''Viper Helios''' (Japanese version , {{Nihongo|'''Helios'''|ヘリオス|Heriosu}}) in the Japanese version, is [[Spectra Phantom]]'s [[Guardian Bakugan]] in ''[[Bakugan: New Vestroia]]''. He was later upgraded to [[Cyborg Helios]], then [[Helios MK2]], and then finally [[Infinity Helios]] in ''[[Bakugan: Mechtanium Surge]]''.